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122150650830 = 235134379137673
BaseRepresentation
bin111000111000010111…
…1110000001111001110
3102200021212222222210220
41301300233300033032
54000131031311310
6132040520212210
711553002254305
oct1616057601716
9380255888726
10122150650830
11478929489aa
121b81000a066
13b69892a920
145caac1943c
15329dbc5670
hex1c70bf03ce

122150650830 has 256 divisors, whose sum is σ = 330021457920. Its totient is φ = 28742418432.

The previous prime is 122150650819. The next prime is 122150650859. The reversal of 122150650830 is 38056051221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122150650791 and 122150650800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 181501374 + ... + 181502046.

It is an arithmetic number, because the mean of its divisors is an integer number (1289146320).

Almost surely, 2122150650830 is an apocalyptic number.

122150650830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122150650830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165010728960).

122150650830 is an abundant number, since it is smaller than the sum of its proper divisors (207870807090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122150650830 is a wasteful number, since it uses less digits than its factorization.

122150650830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 122150650830 in words is "one hundred twenty-two billion, one hundred fifty million, six hundred fifty thousand, eight hundred thirty".